🍂 11 Climate Funds Close in October, Raising Over $23 Billion

By Brookfield, Maia Ventures, Energy Impact Partners, Woven Capital, Endgame Capital, BigCircle Ventures and more

October proved to be a busy month for climate and deep tech investing, with 11 funding rounds spanning energy transition, AI-powered clean technologies, sustainable mobility, and agri-food innovations.

Despite a broader slowdown in climate tech, institutional investors and venture capital firms alike are doubling down on solutions that decarbonize and defossilize industry, accelerate renewable adoption, and address urgent sustainability challenges.

From multi-billion-dollar energy transition funds to first-time climate tech vehicles in Europe and India, the latest funding activity highlights both the resilience and the evolution of the global green investment ecosystem.

11 Latest Funding Rounds Revealed

⚡️ Brookfield raised a record $20 billion for its second energy transition fund, a 33% increase from 2021, reflecting continued institutional investment in renewable infrastructure, energy storage, and critical minerals despite a broader climate tech downturn.

Credit: Energy Impact Partners

⚡️ Energy Impact Partners closed its $1.36 billion Flagship Fund III, its largest to date, to invest in growth-stage clean energy and AI-powered technologies that address soaring global power demand and accelerate the energy transition.

💵 Toyota-backed Woven Capital launched its $800 million Fund II to back growth-stage deep tech, mobility, and climate tech companies, with a strong focus on Europe and scaling pilots to production.

Credit: Serena

💶 Paris-based VC firm Serena closed €200 million for its fourth flagship fund, Serena IV, which will invest up to €15 million in applied AI and energy transition startups.

💸 C4 Ventures launched its third €100 million fund to back early-stage AI and deep tech startups across Europe, aiming to build global leaders in fields such as robotics, quantum computing, and AI semiconductors.

Credit: Maia Ventures

🪙 Italy’s Maia Ventures launched its first €55 million AgriFoodTech fund, backed by the European Investment Fund, CDP Venture Capital, and major Italian food corporates like Cereal Docks and Andriani, to invest €500,000–1.5 million in 20–25 early-stage startups focused on innovations at the intersection of food, health, and sustainability.

Credit: Theia Ventures

🇮🇳 Theia Ventures, one of India’s first early-stage funds focused on energy transition, deep tech, and decarbonisation, achieved the first close of its $30 million fund backed by British International Investment and global investors, aiming to support 18–20 startups developing technologies to decarbonise heavy industry, manufacturing, and mobility.

Credit: Wave Function Ventures

☄️ Former SpaceX engineer Jamie Gull launched Wave Function Ventures, a new $15.1 million deep tech fund backing early-stage startups in sectors like nuclear energy, robotics, and aerospace.

Credit: Keenest

💸 Paris-based investment club Keenest raised €10 million to finance startups in the sustainable economy through community-driven impact investing.

Credit: Endgame Capital

💸 Endgame Capital secured €8 million at the first close of its debut climate tech fund, aiming to back near-market solutions that cut emissions cost-effectively and at scale, with a focus on technologies deployable within two years and capable of mitigating over 50 Mt CO₂e annually.

Credit: BigCircle Ventures

💸 BigCircle Ventures raised €2 million to expand its venture-building capacity to 10 new cleantech startups per year and source innovations from research hubs across Europe, with backing from over 10 investors including Oost NL and Alphatron Group, to accelerate deeptech solutions in clean energy, circular materials, and critical resource recycling.